Change userid from a uint32_t to a string guid

content/browser/frame_host/frame_mojo_shell.cc

 // Copyright 2015 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "content/browser/frame_host/frame_mojo_shell.h"
 
 #include <utility>
 
 #include "build/build_config.h"
 #include "content/browser/mojo/mojo_shell_context.h"
@@ skipping 31 matching lines @@
 
 void FrameMojoShell::BindRequest(mojo::shell::mojom::ConnectorRequest request) {
   connectors_.AddBinding(this, std::move(request));
 }
 
 // TODO(xhwang): Currently no callers are exposing |exposed_services|. So we
 // drop it and replace it with services we provide in the browser. In the
 // future we may need to support both.
 void FrameMojoShell::Connect(
     const mojo::String& application_name,
-    uint32_t user_id,
+    const mojo::String& user_id,
     mojo::shell::mojom::InterfaceProviderRequest services,
     mojo::shell::mojom::InterfaceProviderPtr /* exposed_services */,
     const mojo::shell::mojom::Connector::ConnectCallback& callback) {
   // TODO(beng): user_id is dropped on the floor right now. Figure out what to
   //             do with it.
   mojo::shell::mojom::InterfaceProviderPtr frame_services;
   service_provider_bindings_.AddBinding(GetServiceRegistry(),
                                         GetProxy(&frame_services));
 
   MojoShellContext::ConnectToApplication(
@@ skipping 15 matching lines @@
     // different services for different apps for better isolation.
     RegisterFrameMojoShellServices(service_registry_.get(), frame_host_);
     GetContentClient()->browser()->RegisterFrameMojoShellServices(
         service_registry_.get(), frame_host_);
   }
 
   return service_registry_.get();
 }
 
 }  // namespace content